2008
DOI: 10.1021/es0714336
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Volatilization and Biodegradation of Naphthalene in the Vadose Zone Impacted by Phytoremediation

Abstract: The combined remediation mechanisms of volatilization and biodegradation in the vadose zone were investigated for naphthalene remediation at a creosote-contaminated site where a poplar tree-based phytoremediation system has been installed. Concurrent field and laboratory experiments were conducted to study the transport and biodegradation of naphthalene in the vadose zone. Soil gas sampling showed that more than 90% of the naphthalene vapors were biodegraded aerobically within 5-10 cm above the water table dur… Show more

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Cited by 19 publications
(8 citation statements)
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“…At this site, a source area was located 2.4–3.7 m below ground surface, so reducing the saturated zone thickness substantially decreased the distance over which naphthalene diffused to the vadose zone, thereby increasing flux. Laboratory column studies and a 2-compartment model supported the field flux measurements . At two phytoremediation sites, Doucette et al measured TCE soil flux from both inside and outside of phytoremediation plots.…”
Section: Reports Of Phytovolatilizationmentioning
confidence: 81%
See 1 more Smart Citation
“…At this site, a source area was located 2.4–3.7 m below ground surface, so reducing the saturated zone thickness substantially decreased the distance over which naphthalene diffused to the vadose zone, thereby increasing flux. Laboratory column studies and a 2-compartment model supported the field flux measurements . At two phytoremediation sites, Doucette et al measured TCE soil flux from both inside and outside of phytoremediation plots.…”
Section: Reports Of Phytovolatilizationmentioning
confidence: 81%
“…Laboratory column studies and a 2-compartment model supported the field flux measurements. 73 At two phytoremediation sites, Doucette et al 56 measured TCE soil flux from both inside and outside of phytoremediation plots. At one site, significant indirect phytovolatilization was observed, 69 Hong et al (MTBE), 63 Nzengung et al (PCE and TCE), 62 Orchard et al (TCE), 58 Yu and Gu (MTBE).…”
Section: ■ Transport Of Gases In Plantsmentioning
confidence: 99%
“…The moisture content in the microcosms was based on a previous study describing naphthalene biodegradation in the vadose zone (0.11 g of water/g of soil). 43 Controls were prepared without Polaromonas sp. JS666 or without MSB.…”
Section: ■ Materials and Methodsmentioning
confidence: 99%
“…Besides heavy metals, the fast-growing species like genera Salix (willows and osiers) and Populus have also emerged as the most efficient species for phytoremediation of boron, PCBs, and naphthalene in contaminated soils (Robinson et al 2007;Liu and Schnoor 2008;Andersen et al 2008).…”
Section: Background Aim and Scopementioning
confidence: 99%